20696732

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15727}}^1$

素因数の和:15785

約数の個数: 24

約数和(自身を含む): 42276864

約数和(自身を除く): 21580132

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15727, 31454, 62908, 110089, 220178, 440356, 739169, 1478338, 2956676, 5174183, 10348366, 20696732]

約数ペア:

[(1, 20696732), (2, 10348366), (4, 5174183), (7, 2956676), (14, 1478338), (28, 739169), (47, 440356), (94, 220178), (188, 110089), (329, 62908), (658, 31454), (1316, 15727)]